Compare and contrast sometimes you use your senses to make observations to find the answer to a question. other times you use tools and measurements to provide answers. compare and contrast these two methods of answering scientific questions.

Asolid that forms and separates from a liquid mixture is called

What rule is used to determine how many covalent bonds an element can form? a. the number of covalent bonds is equal to six c the number of covalent bonds is equal to five minus the group number plus the group number b. the number of covalent bonds is equal to eight d. none of the above minus the group number select the best answer from the choices provided

Rays from the sun are not considered matter true or false